<html><head>  <title>Gas</title></head><body>  <?php echo form_open('login/do_login'); ?>  <?php echo form_label('Username:', 'username'); ?>  <?php echo form_input('username', ''); ?><br />  <?php echo form_label('Password:', 'password'); ?>  <?php echo form_password('password', ''); ?><br />  <?php echo form_submit('login_submit', 'Entra'); ?></body></html>